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15
×
Which of the following medical processes uses gamma rays to treat cancer patients?
Gamma Radiation
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15
×
RADAR stands for _______________________.
Radio Detection and Ranging
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15
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Which indicate regions of hotter temperature when using infrared?
Red and yellow
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seesaw
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magnet
Take 25 points!
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rocket
Go to first place!
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thief
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25
15
×
Which type of UV causes wrinkles?
UV-A
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15
×
If an object is placed beyond the center of curvature of a concave mirror, what is the type and orientation of the image?
Real and Inverted
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15
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What is the type and orientation of the image formed by a plane mirror?
Virtual and Upright
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15
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Which type of UV causes sunburn?
UV-B
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15
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LASER stands for _______________.
Light Amplification by Stimulated Emission of Radiation
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15
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Which electromagnetic wave has the lowest frequency?
Radiowave
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15
×
When parallel rays of light strike a concave mirror, where do they appear to converge after reflection?
At the Focus
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15
×
Which device converts electrical signal into sound?
Loudspeaker
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eraser
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gift
Win 20 points!
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gift
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baam
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15
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Which type of EM wave is used in cooking?
Microwaves
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15
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Which electromagnetic wave has the highest energy?
Gamma Ray
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lifesaver
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gift
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gift
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thief
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